We've released a mandatory update for Team Fortress 2. The notes for theupdate are below. The new version is 3990974.------------------------------------------------------------

- Added Arms Race 3 community medals- Added FBTF Cup 6v6 Season 4 tournament medals- Fixed Competitive match history sometimes appearing as empty whenconnection to matchmaking servers is lost- Fixed a crash when exiting the client- Fixed teleporters teleporting players that respawn or change teamduring the teleport animation - This fixes an exploit possible when playing on some "instantrespawn" community servers- Fixed the Neutron Star unusual effect being occasionally displacedafter the player respawns- Fixed Rescue Ranger bolts healing disposable sentries in MvM- Fixed some text in the UI only displaying the first character on OS Xand Linux- Updated localization files